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  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
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  <script>
    let age = +prompt('你现在多少岁了？')
    console.log(`据我估计，五年后，你可能${age + 5}岁了`)
  </script>
</body>

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